package m1_simple;

import com.rabbitmq.client.*;

import java.io.IOException;
import java.util.concurrent.TimeoutException;

public class Consumer {
    public static void main(String[] args) throws IOException, TimeoutException {
        //1.连接
        ConnectionFactory f = new ConnectionFactory();
        f.setHost("192.168.64.140");
        f.setPort(5672);
        f.setUsername("admin");
        f.setPassword("admin");
        Connection con = f.newConnection();
        Channel c = con.createChannel();
        //2.定义队列    告诉服务器我们要使用的队列是那个队列
        //如果已经存在直接使用 如果不存在 mq会新建队列
        c.queueDeclare(
                "helloworld",
                false,
                false,
                false,
                null
        );
        //创建回调对象
        DeliverCallback deliverCallback = new DeliverCallback() {
            @Override
            public void handle(String consumerTag, Delivery message) throws IOException {
                byte[] body = message.getBody();
                String msg = new String(body);
                System.out.println("收到:"+msg);
            }
        };
        CancelCallback cancelCallback = new CancelCallback() {
            @Override
            public void handle(String consumerTag) throws IOException {

            }
        };
        //3.消费接收消息
        c.basicConsume(
                "helloworld",
                true,
                deliverCallback,
                cancelCallback
        );
    }
}
